CN108916233A - A kind of novel rudder bushing pouring procedure - Google Patents
A kind of novel rudder bushing pouring procedure Download PDFInfo
- Publication number
- CN108916233A CN108916233A CN201810729070.9A CN201810729070A CN108916233A CN 108916233 A CN108916233 A CN 108916233A CN 201810729070 A CN201810729070 A CN 201810729070A CN 108916233 A CN108916233 A CN 108916233A
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- China
- Prior art keywords
- layer
- epoxy resin
- poured
- casting
- bushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/208—Methods of manufacture, e.g. shaping, applying coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/06—Shaping by casting in situ casting or moulding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/30—Ships, e.g. propelling shafts and bearings therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of novel rudder bushing pouring procedure of the invention, is divided into four layers of casting, includes the following steps;First layer is poured the epoxy resin of certain altitude, is cooled to room temperature to its primary solidification.The second layer is also poured the epoxy resin of certain height, and 3~4 sponge strips (3) that contour width is 15~25mm are inserted vertically into and are fixed on the circular inner wall of cast member at equal intervals with glue first before second layer casting;To second layer epoxy resin primary solidification.It is poured third layer epoxy resin (5);After being poured, wait until that epoxy resin is fully cured.Four-layer seal glue (8) are poured above to the upper surface of third layer epoxy resin (5).A kind of novel rudder bushing pouring procedure of the invention, the heat generated when can adequately discharge epoxy resin cure, and its expansion and contraction are controlled, epoxy resin is reduced and is gone on smoothly in stress collection with expansion bring harm, guarantee shipbuilding process in solidification.
Description
Technical field
The present invention relates to rudder bushings to be poured field, more specifically to a kind of novel rudder bushing pouring procedure.
Background technique
The pouring procedure of traditional casting type rudder bushing is that rudder bushing disposal pouring is formed after having adjusted in school.?
Disposal pouring forming is found in many cases, is easy to produce crackle and the deformation of rudder liner size after epoxy resin cure.It is logical
Cross with the exchange of technology of epoxy resin producer, and to analysis of cases drawing a conclusion that due to narrow space between rudder bushing and cast member
(casting thickness is generally 15~30mm), during in rudder bushing school, often cast member hole is not overlapped with the middle line of rudder bushing,
Lead to the wall thickness disunity of casting, pour mass is irregular.In Curing Process of Epoxy, the heat of generation cannot be released in time
It puts, is difficult the degree expanded with heat and contract with cold when controlling curable epoxide, stress concentration is also easy to produce, when stress is able to bear more than epoxy resin
Intensity when, epoxy resin will be destroyed, cause casting after there is epoxy resin crack;When epoxy resin solidification start to
When exothermic peak, expansion can be generated, rudder bushing is may result in and deforms.
Epoxy resin crack, less serious case's local route repair are being encountered, severe one removes all epoxy resin, is poured again.It is encountering
Rudder bushing deformation, if gap is overproof, it is necessary to repair rudder bushing or replacement rudder bushing, these are all intractable work.And
And traditional disposal pouring method, it cannot guarantee that the successful reliability of casting.It is, therefore, desirable to provide a kind of novel rudder lining
Pouring procedure is covered to replace traditional pouring procedure, is deformed to avoid resin crack caused by traditional pouring procedure and rudder bushing
The generation of sequence of events goes on smoothly its building course.
Summary of the invention
The present invention is intended to provide a kind of novel rudder bushing pouring procedure, can avoid resin caused by traditional pouring technology
The generation in crack and rudder bushing deformation sequence of events, can be such that its building course goes on smoothly.
In order to achieve the above object, the present invention provides a kind of novel rudder bushing pouring procedure, and rudder lining is set on centre
In cast member for cylindrical hollow structure, it is equipped with upper scotch in the cast member inside front, interior side-lower is equipped with down
Scotch, a kind of novel rudder bushing pouring procedure of the present invention specifically comprise the following steps;
First layer casting:It is poured first layer epoxy resin to cast member bottom face at 10~20mm below downward scotch,
It was cooled to room temperature Deng 1.5~2 hours to its primary solidification;
Second layer casting:It is with glue that 3~4 sponge strips that contour width is 15~25mm are vertical at equal intervals first
It is inserted and secured on the circular inner wall of cast member;Then up above scotch at 10~20mm on first layer epoxy resin
Surface casting second layer epoxy resin waits 1.5~2 hours, makes its primary solidification;
Third layer casting:Third layer is poured to the downward 10~15mm in second layer epoxy resin upper surface to rudder bushing upper end
Epoxy resin;After being poured, wait be fully cured to epoxy resin within 24-48 hours;
4th layer of casting:To third layer epoxy resin upper surface above injection 10~15mm for prevent cast member and
Four-layer seal glue of the rudder bushing by seawater corrosion.
The novel rudder bushing pouring procedure of above-mentioned one kind, under preferred embodiment, the pouring position of the first layer epoxy resin
For at the downward 20mm of lower scotch to cast member bottom end.
The novel rudder bushing pouring procedure of above-mentioned one kind, under preferred embodiment, the pouring position of the second layer epoxy resin
For at 20mm above upper scotch to first layer epoxy resin upper surface.
The present invention changes the pouring procedure of traditional casting type rudder bushing.To pass through laminated pouring, and the second layer is added
The method of sponge strip, the heat generated when adequately release solidifies, and the expansion and contraction of epoxy resin are controlled, reduce ring
Oxygen resin is gone on smoothly in stress collection with expansion bring harm, guarantee shipbuilding process in solidification.
Detailed description of the invention
Fig. 1 is the casting schematic diagram of first layer epoxy resin;
Fig. 2 is sectional view of the Fig. 1 along line A-A;
Fig. 3 is the casting schematic diagram of second layer epoxy resin;
Fig. 4 is sectional view of the Fig. 3 along line B-B;
The casting schematic diagram of Fig. 5 third layer epoxy resin and four-layer seal glue.
Fig. 6 is sectional view of the Fig. 5 along line C-C.
In figure, 1, lower scotch, 2, first layer epoxy resin, 3, sponge strip, 4, second layer epoxy resin, 5, third layer ring
Oxygen resin, 6, upper scotch, 7, rudder bushing, 8, four-layer seal glue, 9, rudder gudgeon, 10, axle sleeve, 11, bushing sealing plate, 12, rudder stock.
Specific embodiment
As shown in figs 1 to 6, rudder bushing 7 is arranged in the intermediate cast member for cylindrical hollow structure, in the casting
Forging piece inside front is equipped with upper scotch 6, and interior side-lower is equipped with lower scotch 1;Cast member inside front described here and
Interior side-lower refers to the either above or below of the midpoint on the inside of the cast member.
The present invention provides a kind of novel rudder bushing pouring procedure, is divided into four layers of casting, includes the following steps;
First layer casting, such as Fig. 1, shown in Fig. 2, to cast member bottom end casting the at downward 1 10~20mm of lower section of scotch
One layer of epoxy resin 2 waits 1.5~2 hours to be cooled to room temperature its primary solidification;The cast member is rudder gudgeon 9, in rudder gudgeon 9
Between be cylindrical hollow structure, inside setting rudder bushing 7, and the bushing sealing plate 13 of the top by the way that rudder bushing 7 is arranged in will
Rudder bushing 7 is fixed;Axle sleeve 10 is housed in rudder bush inside, rudder stock 12 is threaded through the inside of axle sleeve 10.Epoxy resin is just poured
In gap between rudder gudgeon 9 and rudder bushing 7.
Second layer casting, as shown in Figure 3, Figure 4,3~4 sponges for being first 15~25mm by contour width with glue
Item 3 is fixed at equal intervals on the inner wall of cast member;10~the 20mm of top of scotch 6 is to first layer epoxy resin 2 then up
Upper surface is poured second layer epoxy resin 4, waits 1.5~2 hours, makes its primary solidification;In casting process, it is fabricated for hardness report
The sample block that test examination hardness Barcol uses;The purpose that sponge strip is added herein is as follows, on the one hand divides large scale cushion block, has adjusted
The length-width ratio of single cushion block;On the one hand the volume of single cushion block is reduced to reduce exothermic heat accumulation in reaction.Effective drop
Stress concentration and the harm of epoxy expansion bring.
Third layer casting:As shown in Figure 5, Figure 6, to 4 upper surface of second layer epoxy resin to bushing upper end downward 10~
Third layer epoxy resin 5 is poured at 15mm;After being poured, after waiting be fully cured to epoxy resin within 24-48 hours, axis is checked
Hold center.
4th layer of casting:As shown in Figure 5, Figure 6, to 10~15mm of injection above the upper surface of third layer epoxy resin 5
For preventing cast member and rudder bushing by the four-layer seal glue 8 of seawater corrosion.
When being poured first layer epoxy resin, the optimum position of the casting of first layer epoxy resin 2 is that lower scotch is downward
To cast member bottom end at 20mm.
When being poured second layer epoxy resin, the optimum position of the casting of second layer epoxy resin 4 is upper 6 top of scotch
To 2 upper surface of first layer epoxy resin at 20mm.
4th layer is filled with sealant, is adequately utilized the fire resistance characteristic of sealant, is protected casting and bushing, avoid
Seawater corrosion.
For the present invention by laminated pouring, epoxy can adequately discharge the heat generated when solidification, and control asphalt mixtures modified by epoxy resin
The expansion and contraction of rouge;The especially method of second layer addition sponge strip, on the one hand divides large scale cushion block, has adjusted single pad
The length-width ratio of block;On the one hand the volume of single cushion block is reduced to reduce exothermic heat accumulation in reaction.Effectively reduce stress
Collection neutralizes the harm of epoxy expansion bring;It is filled there are also the 4th layer with sealant, adequately utilizes the waterproof of sealant
Characteristic protects cast member and bushing, avoids seawater corrosion.This novel rudder bushing pouring procedure can further guarantee ship
Oceangoing ship building course is gone on smoothly.
In the present embodiment, the casting of rudder bushing is divided into four layers of casting, epoxy resin is allowed sufficiently to discharge reaction in solidification
The heat generated in the process, and the degree that epoxy expands with heat and contract with cold is reduced, reduce the harm of extending stress band.First layer casting
Position be, to cast member bottom end at 1 10~20mm of lower section of lower scotch.After casting epoxy resin, 1.5~2 hours are waited to it
Primary solidification is cooled to room temperature.The pouring position of the second layer is upper 6 10~20mm of top of scotch to first layer epoxy resin 2
Upper surface.Before second layer casting, selecting width is sponge strip 3~4 of 15~25mm, by taking 4 sponge strips as an example, by sponge strip
It is evenly distributed in annulus, and pastes on cast member vertically.On the one hand the purpose of sponge strip divides large scale cushion block, adjust
The whole length-width ratio of single cushion block;On the one hand the volume of single cushion block is reduced to reduce exothermic heat accumulation in reaction.Effectively
Reduce stress collection neutralize epoxy expansion bring harm.After pouring the second layer, 1.5~2 hours, at the beginning of making it are waited
Step solidification.In casting process, sample block is made, hardness, which is applied for checking and examination, tests hardness Barcol use.Third layer be poured into bushing upper end to
At lower 10~15mm.Epoxy resin be fully cured the time be 24-48 hour, after epoxy resin is fully cured, review bushing in
The heart refills the sealant of 10~15mm, completes the casting of rudder bushing.This sealant waterproof, prevents the sea of cast member and rudder bushing
Aqueous corrosion.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, technical method according to the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of novel rudder bushing pouring procedure, the intermediate cast member for cylindrical hollow structure is arranged in rudder bushing (7)
It is interior, upper scotch (6) are equipped in the cast member inside front, interior side-lower is equipped with lower scotch (1), which is characterized in that packet
Include following steps;
First layer casting:First layer epoxy resin is poured to cast member bottom face at 10~20mm below downward scotch (1)
(2), wait be cooled to room temperature to its primary solidification within 1.5~2 hours;
Second layer casting:It is with glue that 3~4 sponge strips (3) that contour width is 15~25mm are vertical at equal intervals first
It is inserted and secured on the circular inner wall of cast member;Then up to first layer asphalt mixtures modified by epoxy resin at 10~20mm of scotch (6) top
Rouge (2) upper surface is poured second layer epoxy resin (4), waits 1.5~2 hours, makes its primary solidification;
Third layer casting:Third is poured to second layer epoxy resin (4) upper surface to rudder bushing (7) downward 10~15mm in upper end
Layer epoxy resin (5);After being poured, wait be fully cured to epoxy resin within 24-48 hours;
4th layer of casting:To third layer epoxy resin (5) upper surface above injection 10~15mm for prevent cast member and
Four-layer seal glue (8) of the rudder bushing (7) by seawater corrosion.
2. a kind of novel rudder bushing pouring procedure according to claim 1, which is characterized in that the first layer epoxy resin
(2) pouring position is at lower scotch (1) downward 20mm to cast member bottom end.
3. the novel rudder bushing pouring procedure of one kind according to claim 1 or claim 2, which is characterized in that the second layer epoxy
The pouring position of resin (4) is at the 20mm of upper scotch (6) top to first layer epoxy resin (2) upper surface.
Applications Claiming Priority (2)
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CN201711333541 | 2017-12-14 | ||
CN2017113335416 | 2017-12-14 |
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CN108916233A true CN108916233A (en) | 2018-11-30 |
CN108916233B CN108916233B (en) | 2020-02-21 |
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Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
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GB975124A (en) * | 1961-09-28 | 1964-11-11 | Karl Gunter Bechem | Roller cutter bearings |
GB1438144A (en) * | 1973-04-30 | 1976-06-03 | Swan Hunter Group Ltd | Ships stern boss |
JPS57171119A (en) * | 1981-03-23 | 1982-10-21 | Goodrich Co B F | Method of manufacturing bearing assembly |
US4677721A (en) * | 1985-10-02 | 1987-07-07 | The B. F. Goodrich Company | Method for fabricating an elastomeric bearing assembly |
WO1998016413A1 (en) * | 1996-10-12 | 1998-04-23 | Robert Bosch Gmbh | Windscreen wiper bearing |
CN101239649A (en) * | 2008-03-14 | 2008-08-13 | 沪东中华造船(集团)有限公司 | Method for mounting shipping stern shaft tube lining |
CN101692554A (en) * | 2009-09-29 | 2010-04-07 | 大连船舶重工集团有限公司 | Cable guider |
CN101915273A (en) * | 2010-08-13 | 2010-12-15 | 新兴铸管股份有限公司 | Novel bearing ring material and production process thereof |
DE102009028381A1 (en) * | 2009-08-10 | 2011-02-17 | Robert Bosch Gmbh | High pressure pump e.g. radial piston pump, for fuel injection system of air-compressing auto-ignition internal combustion engine, has drive shaft supported in housing part by slide bearing, and slide bearing injected into housing |
CN202741683U (en) * | 2012-07-30 | 2013-02-20 | 东莞市飞卓五金机械有限公司 | Metal pouring module for bearing bush and shaft sleeve |
CN103606453A (en) * | 2013-12-06 | 2014-02-26 | 浙江江山源光电气有限公司 | Dry-type transformer coil pouring die and method |
CN105604234A (en) * | 2016-01-21 | 2016-05-25 | 倪黄女 | Building hollow brick and making method thereof |
CN205522179U (en) * | 2016-01-28 | 2016-08-31 | 上海江南长兴造船有限责任公司 | Pouring of pouring host computer resin cushion piece is framed |
CN106217904A (en) * | 2016-07-20 | 2016-12-14 | 保定华翼风电叶片研究开发有限公司 | The preparation facilities of a kind of extruded bright finish uniform thickness fiberglass test flat board and method |
CN206104854U (en) * | 2016-10-17 | 2017-04-19 | 滁州市银田科技有限公司 | Bathroom reduced tee die casting die |
-
2018
- 2018-07-05 CN CN201810729070.9A patent/CN108916233B/en active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB975124A (en) * | 1961-09-28 | 1964-11-11 | Karl Gunter Bechem | Roller cutter bearings |
GB1438144A (en) * | 1973-04-30 | 1976-06-03 | Swan Hunter Group Ltd | Ships stern boss |
JPS57171119A (en) * | 1981-03-23 | 1982-10-21 | Goodrich Co B F | Method of manufacturing bearing assembly |
US4677721A (en) * | 1985-10-02 | 1987-07-07 | The B. F. Goodrich Company | Method for fabricating an elastomeric bearing assembly |
WO1998016413A1 (en) * | 1996-10-12 | 1998-04-23 | Robert Bosch Gmbh | Windscreen wiper bearing |
CN101239649A (en) * | 2008-03-14 | 2008-08-13 | 沪东中华造船(集团)有限公司 | Method for mounting shipping stern shaft tube lining |
DE102009028381A1 (en) * | 2009-08-10 | 2011-02-17 | Robert Bosch Gmbh | High pressure pump e.g. radial piston pump, for fuel injection system of air-compressing auto-ignition internal combustion engine, has drive shaft supported in housing part by slide bearing, and slide bearing injected into housing |
CN101692554A (en) * | 2009-09-29 | 2010-04-07 | 大连船舶重工集团有限公司 | Cable guider |
CN101915273A (en) * | 2010-08-13 | 2010-12-15 | 新兴铸管股份有限公司 | Novel bearing ring material and production process thereof |
CN202741683U (en) * | 2012-07-30 | 2013-02-20 | 东莞市飞卓五金机械有限公司 | Metal pouring module for bearing bush and shaft sleeve |
CN103606453A (en) * | 2013-12-06 | 2014-02-26 | 浙江江山源光电气有限公司 | Dry-type transformer coil pouring die and method |
CN105604234A (en) * | 2016-01-21 | 2016-05-25 | 倪黄女 | Building hollow brick and making method thereof |
CN205522179U (en) * | 2016-01-28 | 2016-08-31 | 上海江南长兴造船有限责任公司 | Pouring of pouring host computer resin cushion piece is framed |
CN106217904A (en) * | 2016-07-20 | 2016-12-14 | 保定华翼风电叶片研究开发有限公司 | The preparation facilities of a kind of extruded bright finish uniform thickness fiberglass test flat board and method |
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